diff options
Diffstat (limited to 'arch/arm/include/asm/arch-omap5/dra7xx_iodelay.h')
| -rw-r--r-- | arch/arm/include/asm/arch-omap5/dra7xx_iodelay.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-omap5/dra7xx_iodelay.h b/arch/arm/include/asm/arch-omap5/dra7xx_iodelay.h new file mode 100644 index 0000000..a924629 --- /dev/null +++ b/arch/arm/include/asm/arch-omap5/dra7xx_iodelay.h @@ -0,0 +1,58 @@ +/* + * (C) Copyright 2015 + * Texas Instruments Incorporated + * + * Lokesh Vutla <lokeshvutla@ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _DRA7_IODELAY_H_ +#define _DRA7_IODELAY_H_ + +#include <common.h> +#include <asm/arch/sys_proto.h> + +/* CONFIG_REG_0 */ +#define CFG_REG_0_OFFSET 0xC +#define CFG_REG_ROM_READ_SHIFT 1 +#define CFG_REG_ROM_READ_MASK (1 << 1) +#define CFG_REG_CALIB_STRT_SHIFT 0 +#define CFG_REG_CALIB_STRT_MASK (1 << 0) +#define CFG_REG_CALIB_STRT 1 +#define CFG_REG_CALIB_END 0 +#define CFG_REG_ROM_READ_START (1 << 1) +#define CFG_REG_ROM_READ_END (0 << 1) + +/* CONFIG_REG_2 */ +#define CFG_REG_2_OFFSET 0x14 +#define CFG_REG_REFCLK_PERIOD_SHIFT 0 +#define CFG_REG_REFCLK_PERIOD_MASK (0xFFFF << 0) +#define CFG_REG_REFCLK_PERIOD 0x2EF + +/* CONFIG_REG_8 */ +#define CFG_REG_8_OFFSET 0x2C +#define CFG_IODELAY_UNLOCK_KEY 0x0000AAAA +#define CFG_IODELAY_LOCK_KEY 0x0000AAAB + +/* CTRL_CORE_SMA_SW_0 */ +#define CTRL_ISOLATE_SHIFT 2 +#define CTRL_ISOLATE_MASK (1 << 2) +#define ISOLATE_IO 1 +#define DEISOLATE_IO 0 + +/* PRM_IO_PMCTRL */ +#define PMCTRL_ISOCLK_OVERRIDE_SHIFT 0 +#define PMCTRL_ISOCLK_OVERRIDE_MASK (1 << 0) +#define PMCTRL_ISOCLK_STATUS_SHIFT 1 +#define PMCTRL_ISOCLK_STATUS_MASK (1 << 1) +#define PMCTRL_ISOCLK_OVERRIDE_CTRL 1 +#define PMCTRL_ISOCLK_NOT_OVERRIDE_CTRL 0 + +#define ERR_CALIBRATE_IODELAY 0x1 +#define ERR_DEISOLATE_IO 0x2 +#define ERR_ISOLATE_IO 0x4 +#define ERR_UPDATE_DELAY 0x8 + +void __recalibrate_iodelay(struct pad_conf_entry const *array, int npads); +#endif |